Critical Exam and Commissioning Flashcards Preview

Specialism: Diagnostic Radiology > Critical Exam and Commissioning > Flashcards

Flashcards in Critical Exam and Commissioning Deck (7)
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1
Q

Critical Exam Specific tests

A

Test integrated safety features
HVL/Filtration Checks
Leakage
AEC Backup timer / Cut off (if applicable)

2
Q

Commissioning Checks fluoro

A
Leakage (from critical)
HVL (from critical)
Focal spot
DAP calibration (at multiple field sizes and kV)
Distortion check (mesh) for II
Fluoro patient doserate baselines

Obtain base lines for all other checks

3
Q

Who is responsible for a critical exam ?

A

The installer (can delegate responsibility)

4
Q

Who is responsible for acceptance testing?

A

The purchaser

5
Q

Mammo comissioning only checks

A
HVL (from crit)
Leakage (from crit)
Determination of the grid factor (to help set imaging factors)
AEC Backup timer / Cut off (from crit)
Field size and dead pixel check
Paddle transmission factor
TORMAM/TORMAX to establish baseline for User QA
Obtain base lines for all other checks
6
Q

Standard X-ray commissioning

A
leakage
hvl
focal spot
Obtain base lines for all other checks
AEC checks
7
Q

CT commissioning

A

Couch movement accuracy
Beam filtration (HVL) using scout
Leakage
Calibration (integrated dose monitor vs chamber/detector with traceable calc)
CTDI Comparison with console (using PMMA)
Image noise (catphan) baseline for daily